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functional (__callable_functor): Overload for volatile-qualified pointers.

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* include/std/functional (__callable_functor): Overload for
	volatile-qualified pointers.
	* testsuite/20_util/function/10.cc: New.

From-SVN: r186055
This commit is contained in:
Jonathan Wakely 2012-04-01 17:10:57 +00:00 committed by Jonathan Wakely
parent 1171b423c6
commit 181c9de2a6
3 changed files with 53 additions and 0 deletions
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6
libstdc++-v3/ChangeLog
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@ -1,3 +1,9 @@
2012-04-01 Jonathan Wakely <jwakely.gcc@gmail.com>
* include/std/functional (__callable_functor): Overload for
volatile-qualified pointers.
* testsuite/20_util/function/10.cc: New.
2012-03-30 Jeffrey Yasskin <jyasskin@gcc.gnu.org>
Paolo Carlini <paolo.carlini@oracle.com>

10
libstdc++-v3/include/std/functional
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@ -1716,6 +1716,16 @@ _GLIBCXX_HAS_NESTED_TYPE(result_type)
__callable_functor(_Member _Class::* const &__p)
{ return std::mem_fn(__p); }
template<typename _Member, typename _Class>
inline _Mem_fn<_Member _Class::*>
__callable_functor(_Member _Class::* volatile &__p)
{ return std::mem_fn(__p); }
template<typename _Member, typename _Class>
inline _Mem_fn<_Member _Class::*>
__callable_functor(_Member _Class::* const volatile &__p)
{ return std::mem_fn(__p); }
template<typename _Signature>
class function;

37
libstdc++-v3/testsuite/20_util/function/10.cc Normal file
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@ -0,0 +1,37 @@
// { dg-options "-std=gnu++0x" }
// { dg-do compile }
//
// Copyright (C) 2012 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 20.8.11 polymorphic function object wrapper
#include <functional>
struct X { void f() { } };
void (X::*p)() = &X::f;
void (X::* volatile& vp)() = p;
typedef std::function<void(X&)> function_type;
void test01()
{
function_type f( vp );
function_type f2( std::ref(vp) );
function_type f3( std::cref(vp) );
}